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Where should Rails 3 custom validators be stored?
... @Doug you need to restart your server. The autoload paths are expanded on initialization so new subfolders will not get picked up until you do that.
– Timo
Oct 8 '12 at 23:36
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Get names of all keys in the collection
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You could do this with MapReduce:
mr = db.runCommand({
"mapreduce" : "my_collection",
"map" : function() {
for (var key in this) { emit(key, null); }
},
"reduce" : function(key, stuff) { return null; },
"out": "my_collection" + "_keys"
})
Then run distinct ...
Pass a PHP array to a JavaScript function [duplicate]
...might have made a nested array, check print_r($array) before json_encode() and see if the array formed is like same as above then it will work fine.
– Tarun Gupta
Dec 4 '15 at 4:25
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LaTeX source code listing like in professional books
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And please, whatever you do, configure the listings package to use fixed-width font (as in your example; you'll find the option in the documentation). Default setting uses proportional font typeset on a grid, which is, IMHO, ...
Moment.js - how do I get the number of years since a date, not rounded up?
... fromNow method rounds up the years. For instance, if today is 12/27/2012 and the person's birth date is 02/26/1978, moment("02/26/1978", "MM/DD/YYYY").fromNow() returns '35 years ago'. How can I make Moment.js ignore the number of months, and simply return the number of years (i.e. 34) since the...
How to suppress “unused parameter” warnings in C?
... annoyance with this is it can be misleading if you use the variable later and forget ro remove the unused line. this is why GCC's unused is nice.
– ideasman42
Nov 7 '12 at 13:58
6...
Java, How do I get current index/key in “for each” loop [duplicate]
... reason is you can use the condensed for syntax to loop over any Iterable, and it's not guaranteed that the values actually have an "index"
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How to drop unique in MySQL?
...0) . To get this to work, drop the foreign key first, then drop the index, and recreate the foreign key afterwards. e.g ALTER TABLE fuinfo DROP foreign key fk_name_for_email;
– Brad Parks
Dec 12 '12 at 20:08
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How to permanently disable region-folding in Visual Studio 2008
...f my colleagues love it, but I personally always want to see all the code, and never want code folded out of sight. I'd like a setting that means my copy of Visual Studio never folds #regions or function bodies.
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Why do Java programmers like to name a variable “clazz”? [closed]
...t says class. "International" English speakers (those reading both British and American English) are used to transposing 's' and 'z'.
Since Java has had disclosed source and a suitable culture right from the start, worthwhile Java code and tutorials pick up the same conventions. That's one of the g...